NEW FLYER IS RECALLING CERTAIN MODEL YEAR 2010 HEAVY DUTY TRANSIT BUSES, MODELS D35LFR, D40LFR, D60LFR, DE40LFR, DE60LFR, XD35, XDE35, AND XDE40, MANUFACTURED FROM SEPTEMBER 30, 2010, THROUGH JUNE 3, 2011, EQUIPPED WITH A CUMMINS ISB, ISL, ISC, or ISX DIESEL ENGINE. THE V-BAND CLAMP ASSEMBLY, PART NUMBERS Q187684, Q187685, AND Q187686, USED TO CONNECT THE INLET AND OUTLET CONE SECTIONS TO THE DIESEL OXIDATION CATALYST (DOC)/DIESEL PARTICULATE FILTER (DPF) INCLUDE A T-BOLT WHICH CAN FRACTURE AND FAIL WHEN SUBJECTED TO STRESS OR LOAD. A FRACTURE OR FAILURE OF THE T-BOLT MAY CAUSE THE CLAMP TO LOOSEN AND THE INLET OR OUTLET SECTIONS ATTACHED TO THE DOC/DPF HOUSING TO DISCONNECT.